2030203243 has 4 divisors (see below), whose sum is σ = 2030313208. Its totient is φ = 2030093280.

The previous prime is 2030203199. The next prime is 2030203271. The reversal of 2030203243 is 3423020302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2030203243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2030203243.

It is not an unprimeable number, because it can be changed into a prime (2030203943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19773 + ... + 66718.

It is an arithmetic number, because the mean of its divisors is an integer number (507578302).

Almost surely, 2^2030203243 is an apocalyptic number.

2030203243 is a deficient number, since it is larger than the sum of its proper divisors (109965).

2030203243 is an equidigital number, since it uses as much as digits as its factorization.

2030203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109964.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 2030203243 is about 45057.7767205618. The cubic root of 2030203243 is about 1266.2316724319.

Adding to 2030203243 its reverse (3423020302), we get a palindrome (5453223545).

The spelling of 2030203243 in words is "two billion, thirty million, two hundred three thousand, two hundred forty-three".